It's worth playing from a historical perspective as a precursor to games like Dragon Warrior. For the Atari, there really is nothing else like it. It's the only actual RPG on the system. (Adventure doesn't count). As for the gameplay itself, its pretty basic. Roam the landscape, picking fights, grinding up your stats and gold enough to be able to clean out all the shops in the second level before facing the dragon. Very RNG dependent in the early part of the game, but once you've built up your attack enough (called "Dex" in this game), its just a simple matter of not letting your HP (called "Str") drop too low.